CN107636482B - Turntable peripheral for 3D scanning - Google Patents
Turntable peripheral for 3D scanning Download PDFInfo
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- CN107636482B CN107636482B CN201580079388.1A CN201580079388A CN107636482B CN 107636482 B CN107636482 B CN 107636482B CN 201580079388 A CN201580079388 A CN 201580079388A CN 107636482 B CN107636482 B CN 107636482B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/42—Simultaneous measurement of distance and other co-ordinates
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Abstract
Examples relate to a turntable peripheral for three-dimensional (3D) scanning. In some examples, 3D scan data of a real-world object is obtained as the object is rotated by the turntable peripheral. A positioning command is sent to the turntable peripheral to rotate the object. 3D scan data is collected while the turntable peripheral is in a non-tilted and/or tilted position.
Description
Background
Three-dimensional (3D) models of objects have many uses. The 3D models may be used in a variety of applications including, but not limited to, movie and video game assets, medical orthotics and prosthetics, industrial design, and the like.
Drawings
The following detailed description refers to the accompanying drawings in which:
FIG. 1 is a block diagram of an example carousel peripheral for 3D scanning;
FIG. 2 is a block diagram of an example computing device in communication with a scanning device for capturing and processing 3D scan data;
FIG. 3 is a flow diagram of an example method for execution by a computing device equipped with a carousel peripheral for 3D scanning;
FIG. 4A is a graphical representation of an example carousel peripheral;
FIG. 4B is a graphical representation of an example turntable peripheral in a tilted position; and
FIG. 5 is a diagram of an example user interface for providing visual cues during a 3D scan.
Detailed Description
The capture system may be used to digitally capture data relating to the shape and appearance of real-world objects. The captured data may then be used to construct a three-dimensional (3D) model of the object. Different techniques can be used to collect data relating to the shape of real world objects such as contact scanners, time-of-flight laser scanners, triangulation laser scanners, structured light scanners, and the like. For example, the handheld device may be used to collect shape data by making distance measurements when the handheld device is repositioned. In this example, the handheld device tracks its position using an internal coordinate system that is used to provide a reference for the distance measurements.
Examples herein describe a turntable peripheral that facilitates 3D scanning. The 3D capture technology allows a user to place an object on a surface and scan it to create a complete 3D model from all sides. The resulting model is a 3D mesh with texture, and the scanning process involves progressively scanning the object from varying orientations, and stitching these scans together to create a single complete model. The turntable peripheral rotates the object during a 3D scan, where incremental scans are captured and aligned to fit and extend the existing model.
Referring now to the drawings, FIG. 1 is a block diagram of an example turntable peripheral 100 for 3D scanning. The turntable peripheral 100 may be any peripheral (e.g., a Universal Serial Bus (USB) peripheral, a wireless peripheral, etc.) that may communicate with a computing device having 3D scanning capabilities. In the implementation of fig. 1, computing device 200 includes controller 110, rotation mechanism 112, interface 115, top portion 118, and bottom portion 120.
The interface 115 may include a number of electronic components for communicating with a computing device. For example, the interface 115 may be an ethernet interface, a Universal Serial Bus (USB) interface, an IEEE 1394 (firewire) interface, an external serial advanced technology attachment (eSATA) interface, or any other physical connection interface suitable for communicating with a scanning device. Alternatively, the interface 115 may be a wireless interface, such as a Wireless Local Area Network (WLAN) interface or a Near Field Communication (NFC) interface. In operation, as described below, the interfaces 115 may be used to send data to and receive data from respective interfaces of the computing device.
The rotation mechanism 112 may be fixed to the top portion 118 and include components for rotating the top portion 118 during 3D scanning. For example, the rotation mechanism 112 may include a rotating shaft attached to the top portion 118. In this example, the rotating shaft may rotate with a motor powered by a power source. The power source may be connected via interface 115 (i.e., a USB interface) or, in the case of wireless turntable peripheral 100, a battery (not shown). The rotation mechanism 112 may also be configured to modify the tilt of the object being scanned.
The top portion 118 may be located at the top of the turntable peripheral 100 and have an upper surface (not shown) for holding objects. The upper surface may be non-slip so that the object remains stationary when the top portion 118 is repositioned. For example, the turntable peripheral 100 may be a cylindrical pedestal having a top portion 118, the top portion 118 rotating on a bottom portion 120 that acts as a base. The lower surface of the bottom portion 120 rests on the scanning surface.
Fig. 2 is a block diagram of an example computing device 200 in communication with a scanning device 250 via a network. As shown in fig. 2 and described below, the computing device 200 may communicate with the scanning device 250 to capture and process 3D scan data. Computing device 200 also communicates with a carousel peripheral, such as carousel peripheral 100 of FIG. 1.
As shown, the computing device 200 may include a plurality of modules 202 and 214, and the scanning device 250 may include a plurality of modules 252 and 254. Each module may comprise a series of instructions encoded on a non-transitory machine-readable storage medium and executable by a processor of the respective device 200, 250. Additionally or alternatively, each module may include one or more hardware devices including electronic circuitry for implementing the functions described below.
The scanning interface 202 may manage communication with the scanning device 250. In particular, the scan interface 202 may initiate a connection with the scanning device 250 and then send scan data to the scanning device 250 or receive scan data from the scanning device 250.
The projector 203 projects visual cues on and around real-world objects. For example, the projector 203 may include a Light Emitting Diode (LED) for providing visual cues (i.e., the orientation scanned, the next orientation of the scanning cycle, etc.) during the scanning cycle. The scanning UI module 210 may instruct the user to position the carousel peripheral 100 and/or real-world objects for scanning using the projector 203 during the scanning process.
The 3D modeling module 204 may process the scan data of the scanning device 250 to generate a 3D model. The 3D data scanning module 206 of the 3D modeling module 204 obtains and processes data from the scanning device 250. When a real world object is repositioned by the turntable peripheral 100, the 3D data scanning module 206 may direct the scanning device 250 to perform a scan cycle. The scan loop includes a plurality of scan passes, each of which is performed while the object is at a different location and may be combined to create a complete 3D set of shape and appearance data for the object. For example, to scan an object in 3D, the scanning device 250 may project structural visible light and/or structural infrared light onto the object in a series of patterns and capture and analyze the reflected light. The distortion of the structured-light pattern on the object is then used to calculate the shape, depth and texture of the object. The scanning device 250 may also capture an image of the object to apply the surface texture as a generated model.
The 3D data scanning module 206 may also perform background scanning using the scanning device 250. Background scanning allows objects to be distinguished from the background (e.g., the scanning surface, the turntable peripheral 100, etc.). Background scanning may be performed prior to placing the object on the scanning surface. This background scan may also include multiple scans that are automatically rotated to tilted and non-tilted positions using the turntable peripheral 100.
The 3D data scanning module 206 may also perform a pre-scan using the scanning device 250. During pre-scanning, the scanning device 250 rapidly scans the object as the turntable peripheral 100 rotates the object 360 degrees. The fast scan is used to derive initial scan data for creating an initial object model, which allows a user to review the overall shape of the object and to see how progressively the scanning process adds detail.
The stitching module 208 creates a 3D model based on the scan data obtained by the 3D data scan module 206. In particular, the stitching module 208 may stitch together multiple scan-once operations of the 3D scan data to create a complete 3D model of the real-world object. Each scan-once operation may be stitched to a previous scan-once operation by the stitching module 208 as it is obtained by the 3D data scan module 206. For example, the scan once operation may be analyzed to identify distinguishing features for covering the object of the scan once operation at appropriate points. After stitching all the scans once, a complete 3D model of the real world object is created.
The scan UI module 210 presents a user interface for performing 3D scanning of real-world objects (i.e., a user interface of a 3D scanning application). The positioning module 212 of the scanning UI module 210 may use the projector 203 to provide visual cues when an object is repositioned for scanning by the turntable peripheral 100. After the 3D data scanning module 206 performs the pre-scan, the positioning module 212 may provide visual cues directly on the object, the turntable peripheral 100, and the scanning surface surrounding it. The visual cue may be, for example, as described below with respect to fig. 5. The visual cues may be updated by the positioning module 212 when a scan-once operation is performed. For example, a completed scan pass may be identified on the scan surface and the current location of the object on the turntable peripheral 100 may also be displayed.
The real-time model module 214 may generate a real-time representation of the object (e.g., a stream of images from a camera) while the scan is being performed. As each scan pass operation is completed and the model is updated, the real-time representation may be updated to reflect the new details from the scan pass operation in the user interface. The real-time model may also allow a user to reposition the model in the user interface so that all sides of the model may be inspected.
The scanning device 250 may be a peripheral or integrated component of the computing device 200. The scanning device 250 is any device suitable for capturing 3D data, such as a structured light camera device, a laser scanner, or the like. As described in detail below, the scanning device 250 may include a series of modules 252 and 254 for capturing 3D data.
In fig. 2, the scanning device 250 includes one or more cameras 252 for capturing structured light. For example, the one or more cameras 252 may include a combination of standard and infrared cameras, where a standard camera is used to capture texture on the surface of the object and an infrared camera is used to capture shape data. The infrared camera may analyze a pattern of structured infrared light (e.g., a star field, etc.) projected on the surface of the object to obtain shape data. In this case, the structured infrared light may be projected by the 3D data enabler 254.
Fig. 3 is a flow diagram of an example method 300 for execution by the computing device 200 for capturing and processing 3D scan data. Although execution of the method 300 is described below with reference to the turntable peripheral 100 of FIG. 1 and the computing device 200 of FIG. 2, other suitable devices for executing the method 300 may be used. The method 300 may be implemented in the form of executable instructions stored on a non-transitory machine-readable storage medium, such as machine-readable storage medium 120, and/or in the form of electronic circuitry.
FIG. 3 is a flow diagram of an example method 300 for execution by a computing device 200 equipped with a turntable peripheral 100 for 3D scanning. Although execution of the method 300 is described below with reference to the computing device 200 of FIG. 2 and the carousel peripheral 100 of FIG. 1, other suitable devices for executing the method 300 may be used. The method 300 may be implemented in the form of executable instructions stored on a non-transitory machine-readable storage medium, such as machine-readable storage medium 120, and/or in the form of electronic circuitry.
The method 300 may begin in block 302 and continue to block 304 where the computing device 200 guides a user to position the carousel peripheral 100 on a scanning surface. For example, the computing device 200 may project visual cues for the positioning of the turntable peripheral 100 on the scanning surface. In block 306, the computing device 200 guides the user to place the real world object on the turntable peripheral 100. For example, the computing device 200 may project another visual cue on the upper surface of the turntable peripheral 100 that identifies the location and orientation of an object.
In block 308, the computing device 200 performs a pre-scan of the object to generate an initial model. In block 310, computing device 200 obtains scan parameters from a user. For example, the user may specify a reference object having a similar shape as the object being scanned.
In block 312, the computing device 200 performs a scan operation on the current location of the object. When the scan once operation is performed, the scan once operation is stitched into the initial model to improve the details of the initial model. In block 314, the computing device 200 determines whether there are more scan-once operations to perform (i.e., whether the scan cycle is complete). If there are more scan-once operations to perform, the computing device 200 directs the use of the turntable peripheral 100 to rotate the object in block 316. After the object is rotated, the method 300 returns to block 312 where the computing device 200 performs the next scan pass.
If there are no more scan pass operations to perform, the computing device 200 determines whether additional scan cycles should be performed in block 318. For example, multiple scan cycles may be performed for different orientations (i.e., tilts) of the object. If there are additional scan cycles to perform, the computing device 200 uses the turntable peripheral 100 to change the tilt of the object in block 320. After the tilt of the object is changed on the turntable peripheral 100, the method 300 returns to block 312 to initiate a second scan cycle.
If the user is satisfied with the 3D model, computing device 200 cleans up the 3D model in block 322. For example, the computing device 200 may remove artifacts and complete the stitching of the 3D model. The method 300 may then proceed to block 324, where the method 300 may stop.
Fig. 4A is a graphical representation of an example carousel peripheral 400. As shown, the turntable peripheral 400 has a top portion 402 and a bottom portion 404. The top portion 402 has an upper surface 406. An object may be placed on the upper surface 406 for 3D scanning. When a 3D scan is performed, the top portion 402 may rotate the object during the scan cycle. In this way, different perspectives of the object can be used to collect 3D scan data for each scan pass of the scan cycle.
Fig. 4B is a graphical representation of an example carousel peripheral 400 in a tilted position. Similar to fig. 4A, the turntable peripheral 400 has a top portion 402 and a bottom portion 404. In fig. 4B, the top portion 402 is tilted such that the object is tilted on the upper surface 406 during the scan cycle. Because the object is tilted, additional perspectives of the object can be used to collect 3D scan data to further enhance the 3D model.
In some cases, a stabilizing element may be used with the turntable peripheral 400 to hold the object stationary on the upper surface 406 during a scan cycle. Examples of stabilizing elements include, but are not limited to, magnets, viscous putty, and the like. In other cases, the positioning elements may be used with the turntable peripheral 400 to change the position of an object on the upper surface 406. For example, wedges may be used to assist in supporting the object in a desired orientation during a scanning cycle.
Fig. 5 is a diagram of an example user interface 500 for providing visual cues during 3D data capture. The user interface 500 may be projected onto a scanning surface during 3D data capture to display the progress of the scanning cycle. As depicted, the user interface 500 displays the orientation of the object during multiple scan passes of the scan cycle, which includes the object position 502, completed scan passes 504A, 504B, 504C, 504D, the next scan pass 506, and future scan passes 508A, 508B, 508C.
The object position 502 shows the position and orientation of the object being scanned. The object position 502 may be updated in real time as the object is moved by the turntable peripheral 100. When the scan one operation is completed, the user interface 500 is updated to display the completed one operation 504A-504D. As shown, the scan one operation 504D has just been completed and the turntable peripheral 100 will be repositioning the object for the next scan one operation 506. The scan cycle is complete when the next scan pass operation 506 and the future scan pass operations 508A-508C are complete. At this stage, it may be determined whether the user is satisfied with the 3D model.
The foregoing disclosure describes a number of examples of a turntable peripheral for 3D scanning. In this manner, examples disclosed herein enable 3D data capture by automatically repositioning an object during a 3D scan.
Claims (13)
1. A turntable peripheral comprising:
a bottom portion having a lower surface to rest on a scanning surface beneath a three-dimensional (3D) scanning device;
a top portion having an upper surface on which an object rests during a 3D scan performed by the 3D scanning device;
a rotation mechanism for rotating the top portion on the bottom portion to move the object between an inclined position relative to the scanning surface and a non-inclined position, wherein the rotation mechanism is in the inclined position when the top portion is rotated, and wherein the rotation mechanism is configured to rotate in the non-inclined position to rotate the object in the non-inclined position during a first scanning cycle and to rotate in the inclined position to rotate the object in the inclined position during a second scanning cycle; and
an interface to receive positioning commands from a computing device during the 3D scan.
2. The turntable peripheral of claim 1, wherein the object is rotated during a pre-scan of the object.
3. The turntable peripheral of claim 1, wherein the turntable peripheral is positioned on the scanning surface based on visual cues projected by a projector.
4. The turntable peripheral of claim 1, wherein the turntable peripheral further comprises a plurality of stabilizing elements placed on the upper surface to stabilize the object as the top portion rotates.
5. A method of using a turntable peripheral for three-dimensional (3D) scanning, wherein the turntable peripheral comprises a bottom portion and a top portion; the bottom portion having a lower surface to rest on a scanning surface beneath a three-dimensional (3D) scanning device; the top portion having an upper surface on which an object rests during a plurality of scan passes; the method comprises the following steps:
performing the plurality of scan pass operations of the object to obtain 3D scan data;
sending a plurality of positioning commands to the carousel peripheral, wherein the object is rotated by the carousel peripheral in an inclined position and a non-inclined position relative to the scanning surface during the plurality of scan pass operations, and the object is moved between the inclined position and the non-inclined position by rotating the top portion on the bottom portion, wherein a rotation mechanism is in the inclined position when the top portion is rotated, and wherein the rotation mechanism is configured to rotate in the non-inclined position during a first scan cycle to rotate the object in the non-inclined position, and to rotate in the inclined position during a second scan cycle to rotate the object in the inclined position;
projecting a visual cue related to a position of the object using a projector as the object rotates; and
generating a 3D model of the object using the 3D scan data, wherein a real-time representation of the 3D model is displayed on a user interface as each of the plurality of 3D scan passes is merged into the 3D model.
6. The method of claim 5, further comprising:
providing a carousel visual cue on a scanning surface, wherein the carousel peripheral is placed on the scanning surface based on the carousel visual cue.
7. The method of claim 6, further comprising:
providing an object visual cue on the carousel peripheral, wherein the object is placed on the carousel peripheral based on the object visual cue.
8. The method of claim 5, further comprising:
generating an initial model based on a pre-scan of an object, wherein the object is rotated by the turntable peripheral during the pre-scan, and wherein the plurality of scan-once operations are incorporated into the initial model to generate the 3D model.
9. The method of claim 5, further comprising:
a user is guided to place a plurality of stabilizing elements on the turntable peripheral to stabilize the object.
10. A non-transitory machine-readable storage medium encoded with instructions executable by a processor to use a carousel peripheral for three-dimensional (3D) scanning, the carousel peripheral comprising a bottom portion and a top portion; the bottom portion having a lower surface to rest on a scanning surface beneath a three-dimensional (3D) scanning device; the top portion having an upper surface on which an object rests during a plurality of scan passes; the machine-readable storage medium includes instructions for:
generating an initial model based on a pre-scan of the object, wherein the object is rotated by the turntable peripheral during the pre-scan;
performing the plurality of scan pass operations of the object to obtain 3D scan data;
sending a plurality of positioning commands to the carousel peripheral, wherein the object is rotated by the carousel peripheral in an inclined position and a non-inclined position relative to the scanning surface during the plurality of scan pass operations, and the object is moved between the inclined position and the non-inclined position by rotating the top portion on the bottom portion, wherein a rotation mechanism is in the inclined position when the top portion is rotated, and wherein the rotation mechanism is configured to rotate in the non-inclined position during a first scan cycle to rotate the object in the non-inclined position, and to rotate in the inclined position during a second scan cycle to rotate the object in the inclined position;
projecting a visual cue related to a position of the object using a projector as the object rotates; and
generating a 3D model of the object using the 3D scan data based on the initial model, wherein a real-time representation of the 3D model is displayed on a user interface as each of a plurality of 3D scan passes is merged into the initial 3D model.
11. The non-transitory machine-readable storage medium of claim 10, the instructions further to:
providing a carousel visual cue on a scanning surface, wherein the carousel peripheral is placed on the scanning surface based on the carousel visual cue.
12. The non-transitory machine-readable storage medium of claim 11, the instructions further to:
providing an object visual cue on the carousel peripheral, wherein the object is placed on the carousel peripheral based on the object visual cue.
13. The non-transitory machine-readable storage medium of claim 10, the instructions further to:
a user is guided to place a plurality of stabilizing elements on the turntable peripheral to stabilize the object.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2015/043334 WO2017023290A1 (en) | 2015-07-31 | 2015-07-31 | Turntable peripheral for 3d scanning |
Publications (2)
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| CN107636482A CN107636482A (en) | 2018-01-26 |
| CN107636482B true CN107636482B (en) | 2021-06-29 |
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| CN201580079388.1A Active CN107636482B (en) | 2015-07-31 | 2015-07-31 | Turntable peripheral for 3D scanning |
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| US (1) | US10852396B2 (en) |
| EP (1) | EP3329211A4 (en) |
| CN (1) | CN107636482B (en) |
| TW (1) | TWI616842B (en) |
| WO (1) | WO2017023290A1 (en) |
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| US9852543B2 (en) * | 2015-03-27 | 2017-12-26 | Snap Inc. | Automated three dimensional model generation |
| CN108520462B (en) * | 2018-03-30 | 2020-07-24 | 阿里巴巴集团控股有限公司 | Service execution method and device based on block chain and electronic equipment |
| CN108876401B (en) | 2018-05-29 | 2022-03-01 | 创新先进技术有限公司 | Commodity claim settlement method and device based on block chain and electronic equipment |
| CN110702029A (en) * | 2019-09-27 | 2020-01-17 | 广东工业大学 | QT graphical interface-based three-dimensional morphology measuring machine control method |
| KR102611537B1 (en) * | 2021-06-04 | 2023-12-08 | 한국전자통신연구원 | Method and apparatus for generating ultra high-quality digital data |
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- 2015-07-31 EP EP15900558.6A patent/EP3329211A4/en active Pending
- 2015-07-31 CN CN201580079388.1A patent/CN107636482B/en active Active
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2016
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| TWI616842B (en) | 2018-03-01 |
| EP3329211A1 (en) | 2018-06-06 |
| US10852396B2 (en) | 2020-12-01 |
| TW201712638A (en) | 2017-04-01 |
| EP3329211A4 (en) | 2019-03-06 |
| WO2017023290A1 (en) | 2017-02-09 |
| CN107636482A (en) | 2018-01-26 |
| US20180136320A1 (en) | 2018-05-17 |
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